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- W4287250433 abstract "Wireless communication at millimeter wave frequencies has attracted considerable attention for the delivery of high-bit-rate connectivity to unmanned aerial vehicles (UAVs). However, conducting the channel measurements necessary to assess communication at these frequencies has been challenging due to the severe payload and power restrictions in commercial UAVs. This work presents a novel lightweight (approximately 1.3 kg) channel measurement system at 28 GHz installed on a commercially available UAV. A ground transmitter equipped with a horn antenna conveys sounding signals to a UAV equipped with a lightweight spectrum analyzer. We demonstrate that the measurements can be highly influenced by the antenna pattern as shaped by the UAV's frame. A calibration procedure is presented to correct for the resulting angular variations in antenna gain. The measurement setup is then validated on real flights from an airstrip at distances in excess of 300 m." @default.
- W4287250433 created "2022-07-25" @default.
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- W4287250433 date "2021-03-31" @default.
- W4287250433 modified "2023-09-29" @default.
- W4287250433 title "Lightweight UAV-based Measurement System for Air-to-Ground Channels at 28 GHz" @default.
- W4287250433 doi "https://doi.org/10.48550/arxiv.2103.17149" @default.
- W4287250433 hasPublicationYear "2021" @default.
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